Question
class Node
{
protected Node next;
protected Object ele;
Node()
{
this(null,null);
}
Node(Object e,Node n)
{
ele=e;
next=n;
}
public void setNext(Node n)
{
next=n;
}
public void setEle(Object e)
{
ele=e;
}
public Node getNext()
{
return next;
}
public Object getEle()
{
return ele;
}
}
class Stack
{
Node first;
int size=0;
Stack()
{
first=null;
}
}
a)
public void push(Object item)
{
Node temp = new Node(item,first);
first = temp;
size++;
}
b)
public void push(Object item)
{
Node temp = new Node(item,first);
first = temp.getNext();
size++;
}
c)
public void push(Object item)
{
Node temp = new Node();
first = temp.getNext();
first.setItem(item);
size++;
}
d) none of the mentioned
a.
a
b.
b
c.
c
d.
d
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Q. Given below is the Node class to perform basic list operations and a Stack class with a no arg constructor. Select from the options the appropriate push() operation that can be...
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